netvox R718IJK User manual

Model：R718IJK
Wireless Multi-Sensor Interface for 0-24VADC, Dry Contact and 4-20mA Sensors
Wireless Multi-Sensor Interface for
0-24VADC, Dry Contact and 4-20mA
Sensors
R718IJK
User Manual
Copyright©Netvox Technology Co., Ltd.
This document contains proprietary technical information which is the property of
NETVOX Technology. It shall be maintained in strict confidence and shall not be
disclosed to other parties, in whole or in part, without written permission of NETVOX
Technology. The specifications are subject to change without prior notice.

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Table of Content
1. Introduction.................................................................................................................2
2.Appearance..................................................................................................................3
3. Main Features .............................................................................................................4
4.Set up Instruction.........................................................................................................5
4.1 Power on and Turn on / off.................................................................................5
4.2 Join Into LoRa Network.....................................................................................5
4.3 Function Key ......................................................................................................5
4.4 Data Report.........................................................................................................6
5. Restore to Factory Setting ..........................................................................................9
6. Sleeping Mode..........................................................................................................10
7. Low Voltage Alarming..............................................................................................10
8. Installation ................................................................................................................10
9. Important Maintenance Instruction ..........................................................................11

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1. Introduction
R718IJK is a multi-sensor interface detection device for Netvox ClassA type devices based on
LoRaWAN open protocol.
R718IJK multi-sensor interface including 0-24V ADC, Dry Contact and 4-20mA, and R718IJK is
compatible with LoRaWAN protocol.
LoRa Wireless Technology:
LoRa is a wireless communication technology dedicated to long distance and low power
consumption. Compared with other communication methods, LoRa spread spectrum modulation
method greatly increases to expand the communication distance. Widely used in long-distance,
low-data wireless communications. For example, automatic meter reading, building automation
equipment, wireless security systems, industrial monitoring. Main features include small size, low
power consumption, transmission distance, anti-interference ability and so on.
LoRaWAN:
LoRaWAN uses LoRa technology to define end-to-end standard specifications to ensure
interoperability between devices and gateways from different manufacturers.

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2. Appearance
Fig.1 R718IJK Appearance
Indicator
Function Key
GND
ADC 0-24V
RED
Black
RED
Black
GND
4-20mA
Yellow & White
Dry Contact

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3. Main Features
Apply SX1276 wireless communication module
Powered by 2 x ER14505 3.6V battery in parallel
Object to be detected connect 0-24VADC port, then press the button, it sends an uplink packet
reporting voltage.
Object to be detected connect 4-20mA port, then press the button, it sends an uplink packet
reporting current.
Object to be detected connect dry contact port, then press the button, it sends an uplink packet
reporting status.
Compatible with LoRaWANTM Class A
Frequency hopping spread spectrum
Protection class IP65
Configuration parameters can be configured via a third-party software platform, data can be read
and alerts can be set via SMS text and email (optional)
Applicable to third-party platforms: Actility/ThingPark, TTN, MyDevices/Cayenne
Improved power management for longer battery life
Note
Battery Life*2: Please refer to web: http://www.netvox.com.tw/electric/electric_calc.html
At this website, users can find battery life time for varier models at different configurations.
1. Actual range may vary depending on environment.
2. Battery life is determined by sensor reporting frequency and other variables.

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4.Set up Instruction
4.1Power on and Turn on / off
(1) Power on: Insert batteries: open the battery cover; insert two sections of 3.6V ER14505 AA
batteries and close the battery cover.
(2) Turn on: if the device had never joined in any network or at factory setting mode, after powering
on, the device is at off mode by default setting. Press and hold function key for 3 seconds till the
green indicator flashes once and release to turn on device.
(3) Turn off: Press and hold function key for 5 seconds till the green indicator flashes quickly and
release. The green indicator will flash 20 times to show that the device is turned off.
Note:
1. The interval between shutting down twice or power off/on is suggested to be about 10
seconds to avoid the interference of capacitor inductance and other energy storage
components.
2. Do not press function key and insert batteries in the same time, otherwise, it will enter
engineer testing mode.
3. Turn off operation is same with “Restore to Factory Setting” operation.
4.2 Join Into LoRa Network
To join the device into LoRa network to communicate with LoRa gateway.
The network operation is as following:
(1) If the device had never joined any network, turn on the device; it will search an available LoRa
network to join. The green indicator will stay on for 5 seconds to show it joins into the network,
otherwise, the green indicator will be off.
(2) If R718IJK had been joined into a LoRa network, remove and insert the batteries;
it will repeat step (1).
4.3 Function Key
(1) Press and hold function key for 5 seconds to reset to factory setting. After restoring to
factory setting successfully, the green indicator will flashes quickly 20 times.
(2) Press function key to turn on the device which is in the network and the green indicator will flash
once and the device will send a data report.

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4.4 Data Report
The device will immediately send a version packet report along with an uplink packet including
0-24VADC, Dry Contact and 4-20mA values.
The device sends data in the default configuration before any configuration is done.
Default value:
Maximum time: 900s (15min)
Minimum time: 900s (15min)
Reportchange:
BatteryChange ---- 0x01 (0.1V)
ADCRawValue Change ---- 0x64(100 mV) *Must more than 0x50 (80 mV)
CurrentChange ---- 0x02 (2 mA)
Note:
The device send data cycle depends on real burning configuration.
The interval between two reports must be the minimum interval.
Data report configuration and sending period are as following:
Min. Interval
(Unit:second)
Max. Interval
(Unit:second)
Reportable Change Current Change≥
Reportable Change
Current Change
＜
Reportable Change
Any number between
1~65535
Any number between
1~65535 Can not be 0.
Report
per Min. Interval
Report
per Max. Interval

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（1）Command Configuration:
MinTime = 1min,MaxTime = 1min,BatteryChange = 0.1v, ADCRawValue Change=100mV,
CurrentChange=2mA
Downlink：015C003C003C0100640200 003C(Hex) = 60(Dec)
Response：
815C000000000000000000（Configuration success）
815C010000000000000000（Configuration failure）
（2）Read Configuration:
Downlink：025C000000000000000000
Response：
825C003C003C0100640200（Current configuration）
Config
ReportReq
R718IJK
0x01
0x5C
MinTime
(2bytes
Unit:s)
MaxTime
(2bytes
Unit:s)
Battery
Change
(1byte
Unit:0.1
v)
ADCRawValue
Change(2byte
Unit:1mV)
CurrentChange
(1byte
Unit:1mA)
Reserved
(1Bytes,Fi
xed 0x00)
Config
ReportRsp 0x81
Status
(0x00_su
ccess)
Reserved (8Bytes,Fixed 0x00)
ReadConfig
ReportReq 0x02 Reserved (9Bytes,Fixed 0x00)
ReadConfig
ReportRsp 0x82
MinTime
(2bytes
Unit:s)
MaxTim
e(2bytes
Unit:s)
Battery
Change
(1byte
Unit:0.1
v)
ADCRawValue
Change (2byte
Unit: 1mV)
CurrentChange
(1byte
Unit:1mA)
Reserved
(1Bytes,Fi
xed 0x00)

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Example#1 based on MinTime = 1 Hour, MaxTime= 1 Hour, Reportable Change i.e.
BatteryVoltageChange=0.1V
MaxTime MaxTime
Sleeping(MinTime) Sleeping(MinTime)
Wakes up and collects data Wakes up and collects data
REPORTS 3.6VREPORTS 3.5V
Note:
MaxTime=MinTime. Data will only be report according to MaxTime (MinTime) duration
regardless BtteryVoltageChange value.
Example#2 based on MinTime = 15 Minutes, MaxTime= 1 Hour, Reportable Change i.e.
BatteryVoltageChange= 0.1V.
MaxTime
Sleeping(MinTime) sleeping sleeping sleeping
0H 15th M 30th M 45th M 1H
2H
Wakes up and
Wakes up and
collects data
REPORT 3.6V
Wakes up and
collects data
3.6V
Does not report
Wakes up and
collects data
3.6V
Does not report
Wakes up and
collects data
3.6V
Does not report
Wakes up and
collects data
REPORTS 3.6V

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Example#3 based on MinTime = 15 Minutes, MaxTime= 1 Hour, Reportable Change i.e.
BatteryVoltageChange= 0.1V.
MaxTime
sleeping sleeping
0H 15th M 30th M 45th M 1H 1H 10th M 1H 25th M 1H 40th M 1 1H 55th M
Notes:
1) The device only wakes up and performs data sampling according to MinTime Interval. When
it is sleeping, it does not collect data.
2) The data collected is compared with the last data reported. If the data change value is greater
than the ReportableChange value, the device reports according to MinTime interval.
If the data variation is not greater than the last data reported, the device reports according to
MaxTime interval.
3) We do not recommend to set the MinTime Interval value too low. If the MinTime Interval is
too low, the device wakes up frequently and the battery will be drained soon.
4) Whenever the device sends a report, no matter resulting from data variation, button pushed or
MaxTime interval, another cycle of MinTime/MaxTime calculation is started.
5. Restore to Factory Setting
R718IJK saves data including network key information, configuration information, etc. To restore to
factory setting, users need to execute below operations.
1. Press and hold function key for 5 seconds till the green indicator flashes and then release; LED
flashes quickly 20 times.
2. R718IJK is at off mode by default setting after restoring to factory setting.
Note:
The device operation of turning off is the same as the “Restore Factory Settings” operation.
Wakes up and collects data
3.5V |3.5-3.6|=0.1
REPORTS 3.5V
Users push the button,
REPORTS 3.5V.
Recalculate MaxTime.
Wakes up and
collects data 3.5V
Does not report
Wa
kes up
and collects
data
REPORTS
3.6V
Wakes up and
collects data
3.6V Does not
report
Wakes up and
collects data
3.5V Does not
report
Wakes up and
collects data
3.5V Does not
report
Wakes up and
collects data
3.5V Does not
report
Wakes up and
collects data
3.5V Does not
report
Wakes up
and collects
data
REPORTS

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6. Sleeping Mode
R718IJK is designed to enter sleeping mode for power-saving in some situations:
(A) While the device is in the network →the sleeping period is Min Interval.
(During this period, if the reportchange is larger than setting value, it will wake up and
send a data report).
(B) When it is not in the network →R718IJK will enter sleeping mode and wake up every 15
seconds to search a network to join in the first two minutes.After two minutes, it will wake
up every 15 minutes to request to join the network.
If it’s at (B) status, to prevent this unwanted power consumption, we recommend that users
remove the batteries to power off the device.
7. Low Voltage Alarming
The operating voltage threshold is 3.2V. If the battery voltage is lower than 3.2V, R718IJK will
send a low-power warning to the LoRa network.
8. Installation
When using it, the back of it can be adsorbed on the iron surface, or the two ends can be fixed to the
wall with screws.
Note: To install the battery, use a screwdriver or similar tool to assist in opening the battery cover.

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9. Important Maintenance Instruction
Your device is a product of superior design and craftsmanship and should be used with care.
The following suggestions will help you use the warranty service effectively.
• Keep the equipment dry. Rain, moisture, and various liquids or moisture may contain minerals that
can corrode electronic circuits. In case the device is wet, please dry it completely.
• Do not use or store in dusty or dirty areas. This can damage its detachable parts and electronic
components.
• Do not store in excessive heat. High temperatures can shorten the life of electronic devices, destroy
batteries, and deform or melt some plastic parts.
• Do not store in a cold place. Otherwise, when the temperature rises to normal temperature,
moisture will form inside, which will destroy the board.
• Do not throw, knock or shake the device. Rough handling of equipment can destroy internal circuit
boards and delicate structures.
• Do not wash with strong chemicals, detergents or strong detergents.
• Do not apply with paint. Smudges can block debris in detachable parts and affect normal operation.
• Do not throw the battery into a fire to prevent the battery from exploding. Damaged batteries may
also explode.
All of the above suggestions apply equally to your device, battery and accessories. If any device is
not working properly.
Please take it to the nearest authorized service facility for repair.